CN105570731A - LED lamp - Google Patents

Abstract

The invention discloses an LED lamp. The LED lamp comprises a primary illumination cavity, an auxiliary illumination cavity positioned at the periphery of the primary illumination cavity as well as a radiator, wherein main body parts of the primary illumination cavity and the auxiliary illumination cavity are positioned on the inner part of the radiator; and light emitted from the auxiliary illumination cavity is colorized.

Description

A kind of LED light

【Technical field】

The invention relates to an illuminating device, in particular to an LED lamp.

【Background technique】

In modern lighting design, the requirements for light efficiency and decoration of lamps are getting higher and higher. The lamps must not only have high light efficiency, but also require soft light and less glare, and even require the lamps themselves to have decorative effects. LED lamps are a kind of lamps commonly used in household and commercial occasions at present. In the prior art, there are also technical solutions for multi-level lighting of LED lamps. For example, Chinese Patent Announcement No. CN201237128Y discloses a recessed lighting fixture with auxiliary lighting, which includes a main light source and at least one auxiliary light source, but the auxiliary light source includes a light guide layer, and the light guide layer has an opposite first surface and a second surface. On the other hand, the first surface of the light guide layer is also provided with dimming outlets, so the structure of the recessed lamp is complicated and the cost is high, and the light guide layer is easily damaged during production and transportation. In addition, Chinese Patent Announcement No. CN2319674Y discloses a colored ring ceiling downlight, which is composed of a lamp base, a lampshade, a face ring, a middle color ring, a rear color ring and a small decorative lamp. In the small light holes of the middle and rear color rings. However, this solution will produce a grainy surface of the lamp.

Therefore, in order to overcome the above defects, it is necessary to provide an improved LED lamp.

【Content of invention】

The object of the present invention is to provide an LED lamp.

In order to achieve the above object, the present invention adopts the following technical solution: an LED lamp, comprising a main lighting chamber, an auxiliary lighting chamber located around the main lighting chamber and a heat dissipation device, the main parts of the main lighting chamber and the auxiliary lighting chamber Inside the heat sink, the light emitted from the auxiliary lighting cavity is colored.

Preferably, the main lighting chamber includes a light inlet and a light outlet, the auxiliary lighting chamber includes a light inlet and a light outlet, and the light outlet of the main lighting chamber is flush with the light outlet of the auxiliary lighting chamber, so The light entrance of the main lighting cavity and the light incident part of the auxiliary lighting cavity are located on different planes.

Preferably, the distance from the light entrance of the main lighting cavity to the light exit is greater than the distance from the light entrance of the auxiliary lighting cavity to the light exit, and the distance from the light entrance of the auxiliary lighting cavity to the main lighting The distance between the plane where the light entrance of the lighting cavity is located is smaller than the distance from the light entrance part to the light exit part of the auxiliary lighting cavity.

Preferably, the heat dissipation device includes a base and an opening, the main lighting chamber of the LED lamp extends from the base of the heat dissipation device to the opening, and the auxiliary lighting chamber extends from the middle of the main lighting chamber to the opening. the opening of the heat sink.

Preferably, the LED lamp further includes an optical panel, and the optical panel is located in the middle of the main lighting cavity.

Preferably, the LED lamp includes a first reflector, a second reflector and a third reflector, the main lighting cavity includes inner walls of the first reflector and the second reflector, and the auxiliary lighting cavity It includes the outer wall of the second reflective part and the third reflective part.

Preferably, the first reflection part and the third reflection part are integrally formed.

Preferably, the second reflection part further includes a support wall extending from the outer wall toward the third reflection part, and the auxiliary lighting cavity has a light source, and the light source is located on the support wall.

Preferably, a connection wall is further included between the first reflection part and the third reflection part, the connection wall connects the first reflection part and the third reflection part, and the connection wall corresponds to the support wall, so The connecting wall supports the supporting wall.

Preferably, the LED lamp further includes an optical panel, and the optical panel is located between the first reflective part, the second reflective part, or between the second reflective part and the first reflective part.

Preferably, the first reflective part, the second reflective part and the third reflective part are formed separately.

Preferably, the first reflection part further includes a support wall extending from the outer wall to the direction of the third reflection part, and the auxiliary lighting cavity of the LED lamp further includes a light source, and the light source is fixed on the support of the second reflection part wall.

Preferably, the second reflection part further includes a connection part extending from the second reflection part to the third reflection part, the connection part is L-shaped, and the third reflection part is connected to the connection part.

Preferably, the LED lamp further includes an optical panel, and the optical panel is located at the connection part, the first reflection part or the second reflection part.

Preferably, the first reflection part includes a first light entrance and a first light exit, the third reflection part includes a third light entrance and a third light exit, and the first light entrance and third light entrance The optical ports are located on different planes.

Preferably, the main lighting cavity of the LED lamp further includes a light source, the light source of the main lighting cavity is located at the heat sink and at the first light entrance, the auxiliary lighting cavity also includes a light source, and the auxiliary lighting cavity The light source is located at the third light entrance.

Preferably, the LED lamp also has a mask, the mask covers the main lighting cavity and the auxiliary lighting cavity, the part of the mask covering the main lighting cavity is made of transparent material, and the mask covers the The part of the auxiliary lighting cavity is a diffuse reflection light transmission surface.

Compared with the prior art, the LED lamp of the present invention has the following advantages: simple structure and convenient installation.

【Description of drawings】

Fig. 1 is a three-dimensional sectional view of the first preferred embodiment of the LED lamp of the present invention.

Fig. 2 is a cross-sectional view of the first preferred embodiment of the LED lamp of the present invention.

Fig. 3 is a cross-sectional view of a second preferred embodiment of the LED lamp of the present invention.

【detailed description】

Referring to FIG. 1 to FIG. 2 , the LED lamp 1 according to the first preferred embodiment of the present invention includes a main lighting cavity 10 , an auxiliary lighting cavity 12 located around the main lighting cavity 10 and a cooling device 13 . The main parts of the main lighting cavity 10 and the auxiliary lighting cavity 12 are located inside the cooling device 13, and the light emitted from the auxiliary lighting cavity 12 is colored. The main part of the main lighting cavity 10 and the auxiliary lighting cavity 12 refers to most of the main lighting cavity 10 and the auxiliary lighting cavity 12, and the main lighting cavity 10 and the auxiliary lighting cavity 12 have only a few parts, such as the fixed frame 11 without a label , or the top of the lighting chamber 10 extends out of the heat sink 13 . The lighting cavity 10 of the present invention is located inside the cooling device 13, which fully utilizes the space of the cooling device 13. On the one hand, the cooling area is larger and the heat dissipation is better. On the other hand, the cooling device 13 also has a certain effect on the lighting cavity 10 inside. Protective effects. At the same time, the light emitted from the auxiliary lighting cavity 12 is colored, that is, the emitted light is not white visually, so that the LED lamp 1 of the present invention can not only increase the diversity of lighting, but also play a decorative role.

The main lighting chamber 10 includes a light entrance 101 and a light outlet 102, the auxiliary lighting chamber 12 includes a light entrance 128 and a light outlet 122, the light outlet 102 of the main lighting chamber 10 is flush with the light outlet 122 of the auxiliary lighting chamber 12, and the main lighting The light entrance 101 of the cavity 10 and the light entrance 128 of the auxiliary lighting cavity 12 are located on different planes, and the distance from the light entrance 101 to the light exit 102 of the main lighting cavity 10 is greater than the distance from the light entrance 128 to the light exit of the auxiliary lighting cavity 12 122 , the distance from the light entrance 128 of the auxiliary lighting chamber 12 to the plane where the light entrance 101 of the main lighting chamber 10 is located is smaller than the distance from the light entrance 128 to the light exit 122 of the auxiliary lighting chamber 12 . Since the auxiliary lighting chamber 12 has a light source 124, the power of the light source 124 is often lower than the power of the light source 104 of the main lighting chamber 10, so the distance from the light entrance 101 to the light outlet 102 of the main lighting chamber 10 is set to be greater than that of the auxiliary lighting chamber 12. The distance from the light part 128 to the light exit part 122 can improve the luminous efficiency of the auxiliary lighting cavity 12 . In this embodiment, the width of the widest part of the light entrance 101 is smaller than the width of the widest part of the light exit 102 , and the width of the widest part of the light entrance part 128 is substantially the same as the width of the widest part of the light exit part 122 .

The heat sink 13 includes a base 130 and an opening 132. The main lighting chamber 10 of the LED lamp 1 extends from the base 130 of the heat sink 13 to the opening 132, and the auxiliary lighting chamber 12 extends from the middle of the main lighting chamber 10 to the opening 132 of the heat sink 13. . The middle of the main lighting chamber 10 here does not refer to the middle of the main lighting chamber 10 , but refers to the position between the two ends of the main lighting chamber 10 . In the present embodiment, the auxiliary lighting chamber 12 extends from the middle of the main lighting chamber 10 to a position slightly offset from the base 130 . In other embodiments, the height and length of the auxiliary lighting chamber 12 can be adjusted as required.

The LED lamp 1 also includes an optical panel 14 located in the middle of the main lighting cavity 10 . In this embodiment, the optical panel 14 is located in the middle of the main lighting cavity 10 instead of the light outlet 102 of the main lighting cavity 10 , so that the light can be mixed again after passing through the optical panel 14 , and the light is more uniform and soft. In other embodiments, the position of the optical panel 14 may also be changed or the optical panel 14 may not be provided.

The LED lamp 1 includes a first reflector 15 , a second reflector 16 and a third reflector 17 . In this embodiment, the reflective portions 15 , 16 , 17 are all thin-walled. The main lighting cavity 10 includes the inner walls of the first reflecting portion 15 and the second reflecting portion 16 , and the auxiliary lighting cavity 12 includes the outer wall of the second reflecting portion 16 and the third reflecting portion 17 . The main lighting cavity 10 and the auxiliary lighting cavity 12 share the second reflector 16, so that the structure of the LED lamp 1 is simpler and more compact, saving cost and facilitating installation. The second reflective portion 16 is substantially parallel to the third reflective portion 17 , and the second reflective portion 16 and the third reflective portion 17 are spaced apart, forming a cavity therebetween. The light source 2824 of the auxiliary lighting cavity 282 is located at the light incident portion 128 of the auxiliary lighting cavity 12 . In this embodiment, the first reflective portion 15 , the second reflective portion 16 and the third reflective portion 17 are ring-shaped respectively.

In this embodiment, the first reflective portion 15 , the second reflective portion 16 and the third reflective portion 17 are formed separately. The first reflection part 15 also includes a connection part 152 from the outer wall to the third reflection part 17, and the second reflection part 16 also includes a support part 160 extending from the second reflection part 16 to the third reflection part 17. The connection part 152 is L-shaped. The third reflection part 17 is fixed on the connection part 152 . In this embodiment, the supporting wall 160 is arranged horizontally, and the connection between the connecting portion 152 and the supporting wall 160 roughly forms a right angle. The light source 124 of the auxiliary lighting cavity 12 is fixed on the supporting wall 160 of the second reflector 16 . In other embodiments, the support wall 160 may also be inclined, the second reflector 16 may not have the support wall 160 , and the light source 124 may be located between the second reflector 16 and the third reflector 17 . The connection part 152 can also be set in other shapes as required, or the first reflection part 15 and the second reflection part 16 can also be directly connected and integrally formed without being connected through the connection part 152 . Meanwhile, the light source 124 of the auxiliary lighting cavity 12 may also be fixed on the second reflection part 16 or the third reflection part 17 and so on.

In this embodiment, the light source 124 is located at the bottom of the auxiliary lighting cavity 12, that is, the light incident part 128 is located at the bottom of the auxiliary lighting cavity 12, the second reflecting part 16 is approximately parallel to the third reflecting part 17, and the second reflecting part 16 and the light source 124 The planes where they are located form an included angle, which is not a right angle. Therefore, most of the light emitted by the light source 124 is reflected at least once before being emitted from the light exit portion 122, and part of the light is first directed to the outer wall of the second reflective portion 16, and then directed to the third reflective portion after being reflected by the outer wall of the second reflective portion 16. 17 , after passing through the third reflecting portion 17 , it exits the light emitting portion 122 . Only a small portion of light is directly emitted from the light emitting portion 122 without being reflected. However, in the LED lamp 1 of the present invention, even if there is no reflected light, it is mixed with the reflected light. Therefore, the structure of the auxiliary lighting cavity 12 of the present invention can well eliminate the graininess of the light emitting surface of the LED lamp 1 . In this embodiment, the first reflective part 15 , the second reflective part 15 and the third reflective part 16 are made of diffuse reflective material, and in other embodiments, other reflective materials such as specular reflector can also be provided as required.

The LED lamp 1 further includes an optical panel 14 , and in this embodiment, the optical panel 14 is configured to be supported by the connecting wall 152 . In other embodiments, the optical panel 14 may also be located in the first reflective portion 15 or the second reflective portion 16 , or the optical panel 14 may not be provided. Since the connecting portion 152 is L-shaped in this embodiment, the supporting wall 160 is arranged horizontally, so that the optical panel 14 can just snap into the connecting portion 152 , and its outer edge is sandwiched between the connecting portion 152 and the supporting wall 160 .

The first reflection part 15 includes a first light entrance 150 and a first light exit 151, the third reflection part 17 includes a third light entrance 170 and a third light exit 171, and the first light entrance 151 and the third light entrance 170 are located on different planes. The main lighting chamber 10 of the LED lamp 1 further includes a light source 104 , and the light source 104 of the main lighting chamber 10 is fixed to the heat sink 13 and located at the first light entrance 101 . The light source 124 of the auxiliary lighting cavity 12 is located at the third light entrance 170 .

The LED lamp 1 also has a mask 18, the mask 18 covers the main lighting chamber 10 and the auxiliary lighting chamber 12, the part of the mask 19 covering the main lighting chamber 10 is made of transparent material, and the part of the mask 18 covering the auxiliary lighting chamber 12 is diffuse reflection and light transmission noodle. In other embodiments, the light transmittance of the face shield 18 can also be set according to needs, for example, the face shield 18 is set as a diffuse reflective light-transmitting surface etc., and the face shield 18 can also be not set in the main lighting cavity 10, that is, the face shield 18 is designed as ring. In this embodiment, the mask 18 covers the light outlets 171 and 102 and closes the main lighting cavity 10 and the auxiliary lighting cavity 12 . In other embodiments, the mask 18 can also partially cover the main lighting cavity 10 or the auxiliary lighting cavity 12 .

The LED lamp 1 also includes a face ring 19, the face ring 19 is ring-shaped, the face ring 19 is fixed to the heat sink 13, and the face shield 18 is buckled between the face ring 19 and the lighting cavity 10, 12, thereby the face shield 18 is fixed on the LED lamp. lamp. In other embodiments, the mask 18 may also be fixed in other ways, for example, a fixing portion is provided on the mask 18 to directly fix the mask 18 to the heat sink 13 . In this embodiment, the face ring 19 is fixed to the heat sink 13 by screws (not shown). In other embodiments, the face ring 19 may also be fixed to the heat sink 13 by other means. The upper end of the third reflecting portion 17 is turned outward to form an L-shape to form a frame 11 for fixing, and is pressed between the mask 18 and the cooling device 13 .

Please refer to FIG. 3 , which is a second preferred embodiment of the present invention. The LED lamp 2 of the second preferred embodiment includes a main lighting cavity 20 , an auxiliary lighting cavity 22 located around the main lighting cavity 20 , and a cooling device 23 . The main parts of the main lighting cavity 20 and the auxiliary lighting cavity 22 are located inside the cooling device 23, and the light emitted from the auxiliary lighting cavity 22 is colored. The main body part of the main lighting cavity 20 and the auxiliary lighting cavity 22 refers to most of the main lighting cavity 20 and the auxiliary lighting cavity 22, and the main lighting cavity 20 and the auxiliary lighting cavity 22 only need a very small part, such as the frame 21 for fixing, or Parts such as the top of the lighting cavity 20 extend out of the heat sink 23 . The lighting cavity 20 of the present invention is located inside the cooling device 23, which fully utilizes the space of the cooling device 23. On the one hand, the cooling area is larger and the heat dissipation is better. On the other hand, the cooling device 23 also has a certain effect on the lighting cavity 20 inside. Protective effects. At the same time, the light emitted from the auxiliary lighting cavity 22 is colored, so that the LED lamp 2 of the present invention can not only increase the diversity of lighting, but also play a decorative role.

The structure of the second preferred embodiment is substantially the same as that of the first preferred embodiment, the difference is that in the second preferred embodiment, the first reflective part 25 and the third reflective part 27 are integrally formed. The second reflection part 26 is molded separately. The second reflector 26 further includes a support wall 260 extending from the outer wall toward the third reflector 27 , and the auxiliary lighting cavity 22 has a light source 224 . The light source 224 is located on the support wall 260 .

A connection wall 28 is further included between the first reflective portion 25 and the third reflective portion 27 . The connecting wall 28 is straight and connects the first reflecting portion 25 and the third reflecting portion 27 , the connecting wall 28 corresponds to the supporting wall 260 , and the connecting wall 28 supports the supporting wall 260 .

The LED lamp 2 further includes an optical panel 24 located between the first reflective part 25 , the second reflective part 26 or between the second reflective part 26 and the first reflective part 25 . In this embodiment, the optical panel 24 is located between the supporting wall 260 and the connecting wall 28 , the connecting wall 28 supports the optical panel 24 , and the optical panel 24 supports the supporting wall 260 .

It can be seen that the difference between the second preferred embodiment and the first preferred embodiment is that the first reflective part 25 and the third reflective part 27 are integrally formed in the second preferred embodiment, so that the present embodiment The structures of the first reflection part 25 and the third reflection part 27 of the LED lamp 2 are simpler and easier to manufacture. Meanwhile, the connection wall 28 is different in shape from the connection portion 152 in the first embodiment. In other embodiments, the connection between the first reflection part 25, the second reflection part 26 and the third reflection part 27 and the fixing method of the light source 224 can be changed according to the design, only need to meet the requirements of the main lighting cavity 20 and the auxiliary lighting cavity 22. settings.

It should be noted that the embodiments of the present invention have better implementability and are not intended to limit the present invention in any form. Any person skilled in the art may use the technical content disclosed above to change or modify equivalent effective embodiments However, any modifications or equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still belong to the scope of the technical solution of the present invention.

Claims (17)

1. An LED lamp, comprising a main lighting cavity, an auxiliary lighting cavity positioned around the main lighting cavity, and a heat dissipation device, the main parts of the main lighting cavity and the auxiliary lighting cavity are located inside the heat dissipation device, from the auxiliary lighting cavity The light emitted from the lighting cavity is colored. 2. The LED lamp according to claim 1, characterized in that: the main lighting cavity includes a light entrance and a light exit, the auxiliary lighting cavity includes a light entrance and a light exit, and the light exit of the main lighting cavity It is flush with the light exit part of the auxiliary lighting cavity, and the light entrance of the main lighting cavity and the light entrance part of the auxiliary lighting cavity are located on different planes. 3. The LED lamp according to claim 2, wherein the distance from the light entrance of the main lighting cavity to the light exit is greater than the distance from the light entrance of the auxiliary lighting cavity to the light exit, The distance from the light entrance part of the auxiliary lighting cavity to the plane where the light entrance of the main lighting cavity is located is smaller than the distance from the light entrance part to the light exit part of the auxiliary lighting cavity. 4. The LED lamp according to claim 1, characterized in that: the heat dissipation device comprises a base and an opening, the main lighting chamber of the LED lamp extends from the base of the heat dissipation device to the opening, and the auxiliary The lighting cavity extends from the middle of the main lighting cavity to the opening of the heat sink. 5. The LED lamp according to claim 1, characterized in that: the LED lamp further comprises an optical panel, and the optical panel is located in the middle of the main lighting cavity. 6. The LED lamp according to claim 1, characterized in that: the LED lamp comprises a first reflector, a second reflector and a third reflector, and the main lighting cavity comprises the first reflector and the The inner wall of the second reflection part, the auxiliary lighting cavity includes the outer wall of the second reflection part and the third reflection part. 7. The LED lamp according to claim 6, characterized in that: the first reflection part and the third reflection part are integrally formed. 8. The LED lamp according to claim 6, characterized in that: the second reflection part further comprises a support wall extending from the outer wall to the direction of the third reflection part, the auxiliary lighting cavity has a light source, and the A light source is located on the support wall. 9. The LED lamp according to claim 8, characterized in that: a connecting wall is further included between the first reflecting part and the third reflecting part, and the connecting wall connects the first reflecting part and the third reflecting part , the connecting wall corresponds to the supporting wall, and the connecting wall supports the supporting wall. 10. The LED lamp according to claim 9, characterized in that: the LED lamp further comprises an optical panel, and the optical panel is located between the first reflection part, the second reflection part or the second reflection part and the first reflection part. between a reflector. 11. The LED lamp according to claim 6, characterized in that: the first reflective part, the second reflective part and the third reflective part are formed separately. 12. The LED lamp according to claim 11, wherein the first reflector further includes a support wall extending from the outer wall toward the third reflector, and the auxiliary lighting cavity of the LED lamp further includes a light source, The light source is fixed on the supporting wall of the second reflection part. 13. The LED lamp according to claim 12, characterized in that: the second reflecting part and the first reflecting part further comprise a connecting part extending from the second reflecting part and the first reflecting part to the direction of the third reflecting part, and the connecting part It is L-shaped, and the third reflective part is connected to the connecting part. 14. The LED lamp according to claim 13, characterized in that: the LED lamp further comprises an optical panel, and the optical panel is located at the connecting part, the first reflecting part or the second reflecting part. 15. The LED lamp according to any one of claims 6 to 14, characterized in that: the first reflector comprises a first light entrance and a first light exit, and the third reflector comprises a third entrance The light port and the third light exit port, the first light entry port and the third light entry port are located on different planes. 16. The LED lamp according to claim 15, characterized in that: the main lighting chamber of the LED lamp further includes a light source, the light source of the main lighting chamber is located at the heat sink and at the first light entrance, the The auxiliary lighting cavity further includes a light source, and the light source of the auxiliary lighting cavity is located at the third light entrance. 17. The LED lamp according to claim 1, characterized in that: the LED lamp also has a mask, the mask covers the main lighting cavity and the auxiliary lighting cavity, and the mask covers the main lighting cavity A part is made of transparent material, and the part of the mask covering the auxiliary lighting cavity is a diffuse reflection and light transmission surface.